Submission #1771665

---

Source Code Expand

#include<stdio.h>
int main(void) {
long n;
scanf("%ld",&n);
long a[n];
  for(long i = 1; i < n+1; i++) {
    if(i == 1)
      a[1] = 0;
    else if(i == 2)
      a[2] = 0;
    else if(i == 3)
      a[3] = 1;
    else
    a[i] = a[i-3]%10007 + a[i-2]%10007 + a[i-1]%10007;
  }
long b = a[n]%10007;
printf("%ld\n",b);
return (0);
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:4:1: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
 scanf("%ld",&n);
 ^

Judge Result